.box {
  position: relative;
  width: 145px;
  height: 240px;
  padding-top: 40px;
  background: url(../img/index_z_71df05e.png) no-repeat;
  background-position: 0 0;
}
.box .erwei_pic {
  display: block;
  width: 107px;
  height: 107px;
  margin: 0 auto;
}
.box .saomiao_pic {
  position: absolute;
  top: 37px;
  right: 14px;
  transition: all 0.3s;
  animation: move 3s linear infinite;
}
@keyframes move {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(100px);
  }
  100% {
    transform: translateY(0);
  }
}
